| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SDIP | Strategic Defense Initiative Program | In English | → Military affairs |
| SDIS | Service Départemental d'Incendie et de Secours | In French | → Regional administration |
| SDIS | Sercice Départemental d'Incendie et de Secours | In French | → Regional administration → Firefighting → Traumatology |
| SDLP | Social Democratic and Labour Party = PSDLO | Páirtí Sóisialta Daonlathach an Lucht Oibre | In Irish |
In English | → Political parties and movements |
| SDMI | Secure Digital Music Initiative | In English | → Organizations and associations → Artistic property → Music |
| SDN | Société Des Nations = SDN | Sociedá de Naciones | In Asturian = ОН | Общество на народите | In Bulgarian = LoN | League of Nations | In English = SDN | Sociedad de Naciones | In Spanish = LBB | Liga Bangsa-Bangsa | In Indonesian = DN | Društvo narodov | In Slovenian = NF | Nationernas förbund | In Swedish |
In French | → International organizations → International relations |
| SDN | Sociedá de Naciones = ОН, LoN, LBB, NF (look above) |
In Asturian | → International organizations → International relations |
| SDN | Sociedad de Naciones = ОН, LoN, LBB, NF (look above) |
In Spanish | → International organizations → International relations |
| SDOPS | Strategic Defense Operational Planning Support | In English | → Military affairs |
| SDP | Suomen Sosialidemokraattinen Puolue | In Finnish | → Political parties and movements → Finland |
| SDP | Socijaldemokratska partija (Hrvatske) | In Croatian | → Political parties and movements |
| SDP | Strategic Defense Program | In English | → Military affairs → Military engineering |
| SDP | Socijaldemokratska Partija (www.sdp.hr) | In Croatian | → Political parties and movements |
| SDP | Socijaldemokratska Partija Hrvatske (www.sdp.hr) | In Croatian | → Political parties and movements |
| SDP | Service des Pensions | In French | → Personnel management → Social welfare |
| SDR | Special Drawing Right | In English | → Finance |
| SDR | Situation Des Recettes | In French | → Accounting → Public finance |
| SDRL | Subcontract(or) Data Requirements List | In English | → Contract law |
| SDRT | Soutien aux Diplômes de Recherche Technologique | In French | → Specialized or polytechnical colleges |
| SDSC | Strategic and Defence Studies Centre | In English | → Military affairs |
| SDSS | Samostalna Demokratska Srpska Stranka (www.sdss.hr) | In Croatian | → Political parties and movements |
| SDSS | South Delta Secondary School | In English | → Education |
| SDU | Socijalno-Demokratska Unija Hrvatske | In Croatian | → Political parties and movements |
| SE | Societas Europaea | In Latin | → Economics → European Union |
| SEa | Sociology of Education Association | In English | → Associations → Sociology → Education |
| SEA-PZS | Srednjoeuropska Akcija - Pokret za Srednju Europu | In Croatian | → Political parties and movements |
| SEACAM | Secretariat for Eastern African Coastal Area Management | In English | → International relations → 5023 → Environmental technology, water supply, waste management → Africa |
| SEACSN | Southeast Asian Conflict Studies Network | In English | → Organizations and associations → Polemology |
| SEAMEO | Southeast Asian Ministers of Education Organization | In English | → International relations → Central administration → Education |
| SEAP | Southeast Asia Program | In English | → Higher education, universities → Area studies |
| SEAS | School of East Asian Studies | In English | → Higher education, universities → Area studies |
| SEAS | School of Engineering and Applied Sciences | In English | → Specialized or polytechnical colleges → Engineering, technology |
| SEASREP | Southeast Asian Studies Regional Exchange Programme | In English | → Education → Area studies |
| SEATO | Southeast Asia Treaty Organization | In English | → Organizations and associations → International relations |
| SEATO | South-East Asia Treaty Organization | In English | → Organizations and associations → International relations |
| SEBC | Système Européen de Banques Centrales = ESCB | Europski sistem centralnih banaka | In Bosnian = SEBC | Sistema Europeu de Bancs Centrals | In Catalan = ESCB | Det Europæiske System af Centralbanker | In Danish = ESZB | Europäisches System der Zentralbanken | In German = ΕΣΚΤ | Ευρωπαϊκό Σύστημα Κεντρικών Τραπεζών | In Greek = ESCB | European System of Central Banks | In English = ESCB | Eŭropa Sistemo de Centraj Bankoj | In Esperanto = SEBC | Sistema Europeo de Bancos Centrales | In Spanish = EKPS | Euroopa Keskpankade Süsteemi | In Estonian = KBER | Központi Bankok Európai Rendszere | In Hungarian = SEBC | Sistema Europeo delle Banche Centrali | In Italian = ESCB | Europees Stelsel van Centrale Banken | In Dutch = ESSB | Det europeiske systemet av sentralbanker | In Norwegian = ESBC | Europejski System Banków Centralnych | In Polish = SEBC | Sistema Europeu de Bancos Centrais | In Portuguese = ЄСЦБ | Європейська система центральних банків | In Ukrainian = ESCB | Európsky systém centrálnych bánk | In Slovak = ECBS | Europeiska centralbankssystemet | In Swedish |
In French | → Banks → European Union |
| SEBC | Sistema Europeu de Bancs Centrals = ESCB, ESZB, ΕΣΚΤ, EKPS, KBER, ESSB, ESBC, ЄСЦБ, ECBS (look above) |
In Catalan | → Banks → European Union |
| SEBC | Sistema Europeo de Bancos Centrales = ESCB, ESZB, ΕΣΚΤ, EKPS, KBER, ESSB, ESBC, ЄСЦБ, ECBS (look above) |
In Spanish | → Banks → European Union |
| SEBC | Sistema Europeo delle Banche Centrali = ESCB, ESZB, ΕΣΚΤ, EKPS, KBER, ESSB, ESBC, ЄСЦБ, ECBS (look above) |
In Italian | → Banks → European Union |
| SEBC | Sistema Europeu de Bancos Centrais = ESCB, ESZB, ΕΣΚΤ, EKPS, KBER, ESSB, ESBC, ЄСЦБ, ECBS (look above) |
In Portuguese | → Banks → European Union |
| SECED | Servicio Central de Documentación | In Spanish | → Central administration → Spain |
| SECI | South East European Co-operative Initiative | In English | → International relations |
| SeCIU | Servicio Central de Informática Universitario | In Spanish | → Computer science → Higher education, universities |
| SECMCA | Secretaría Ejecutiva del Consejo Monetario Centroamericano (www.secmca.org) | In Spanish | → International economic cooperation |
| SECO | State Secretariat for Economic Affairs | In English | → Economics → Central administration → 33972 |
| SEDEE | Service d'Enlèvement et de Destruction des Engins Explosifs | In French | → Military affairs → Military engineering |
| SEE | Service de l'Énergie de l'État | In French | → Central administration → Energy economics |
| SEE | Spazio Economico Europeo = EEA | European Economic Area | In English = EEE | Espace Économique Européen | In French = EWR | Europäischer Wirtschaftsraum | In German = ЕИЗ | Европейска икономическа зона | In Bulgarian = EHP | Evropský hospodářský prostor | In Czech = EØS | Europæisk Økonomisk Samarbejdsområde | In Danish = EEA | Eŭropa Ekonomia Areo | In Esperanto = ΕΟΖ | Ευρωπαϊκή Οικονομική Ζώνη | In Greek = EES | Evrópska efnahagssvæðið | In Icelandic = EES | Europeiska Ekonomiska Samarbetsområdet | In Swedish = EWR | Europäesche Wirtschaftsraum | In Letzeburgesh = EGT | Európai Gazdasági Térség | In Hungarian = EER | Europese Economische Ruimte | In Dutch = EEA | 欧州経済領域 | In Japanese = EØS | Det europeiske økonomiske samarbeidsområde | In Norwegian = EØS | Det Europeiske Økonomiske Samarbeidsområdet | In Nynorsk = EOG | Europejski Obszar Gospodarczy | In Polish = EEE | Espaço Económico Europeu | In Portuguese = ЕЭЗ | Европейская экономическая зона | In Russian = EHP | Európsky hospodársky priestor | In Slovak = ЕЕП | Европски економски простор | In Serbian = ETA | Euroopan talousalue | In Finnish |
In Italian | → Economics → European Union |
| SEECP | South East Europe Co-operation Process | In English | → International relations |
| SEF | Section Économique et Financière | In French | → Police → Economics → Finance |
| SEFA | Service d'Exploitation de la Formation Aéronautique | In French | → Specialized or polytechnical colleges → Aeronautics, aircraft |
| SEFTI | Specialized Fund for Therapeutic Innovation | In French | → Finance |
| SEGPA | Section d'Enseignement Général et Professionnel Adapté | In French | → Education |
| SEHK | Stock Exchange Hong Kong | In English | → Financial markets |
| SEI | Sistemul Educaţional Informatizat | In Romanian | → Education |
| SEINO | Salons de l'Économie et de l'Industrie du Nord-Ouest | In French | → Economics → Industry, industrial policy → France |
| SEL | Système d'Échange Local | In French | → Economics |
| SEL | Société d'Exercice Libéral | In French | → 334 |
| SELL | Syndicat des Éditeurs de Logiciel de Loisirs (https://www.sell.fr/) | In French | → Organizations and associations → Software → Leisure → Entertainment → France |
| SEM | Service d'Économie Maritime | In French | → Economics → Marine research, oceanography → Fishing, hunting |
| SEM | Société d'Économie Mixte | In French | → Economics → Public administration, government |
| SEM | Subcontractor Engineering Memorandum | In English | → Contract law |
| SEMWS | Survivable, Endurable Missile Warning System | In English | → Military affairs → Military engineering |
| SENACYT | Secretaría Nacional de Ciencia y Tecnología | In Spanish | → Public administration, government → Mathematics and natural sciences → Applied sciences, technology |
| SEPAC | Service Électrique du Pacifique | In French | → 3213 |
| SEPRO | Société d'Exploitation des Plateformes de Recrutement et d'Orientation | In French | → Labour, labour economics → Education |
| SER | Service Employment Redevelopment | In English | → Labour, labour economics |
| SER | Sociaal-Economische Raad (www.ser.nl) | In Dutch | → Organizations and associations → Economics → Netherlands |
| SERAM | Société d'Études et de Recherches de l'École Nationale Supérieure d'Arts et Métiers | In French | → Research policy → Specialized or polytechnical colleges → Engineering, technology |
| SEROS | SEnter for Risikostyring Og Samfunnssikkerhet | In Norwegian | → Research institutes → Accidents, risks, safety → Insurance → Norway |
| SES | Stock Exchange of Singapore | In English | → Financial markets |
| SES | Sodišče Evropskih skupnosti (http://curia.europa.eu) = EuGH | Europäischer Gerichtshof für Menschenrechte | In German = CJEC | Court of Justice of the European Communities | In English = CJCE | Cour de Justice des Communautés Européennes | In French = TJCE | Tribunal de Justícia de les Comunitats Europees | In Catalan = LICE | Llys Cyfiawnder Ewrop | In Welsh = ΔΕΚ | Δικαστήριο των Ευρωπαϊκών Κοινοτήτων | In Greek = JKEK | Justica Kortumo de Eŭropaj Kortumoj | In Esperanto = TJCE | Tribunal de Justicia de las Comunidades Europeas | In Spanish = CGCE | Corte di Giustizia delle Comunità Europee | In Italian = HvJEG | Hof van Justitie van de Europese Gemeenschappen | In Dutch = EBTT | Europos Bendrijų Teisingumo Teismas | In Lithuanian = CEJ | Curtea Europeană de Justiţie | In Romanian = ETS | Europejski Trybunał Sprawiedliwośc | In Lithuanian = ESD | Evropský soudní dvůr | In Czech = ECJ | European Court of Justice | In English = CJE | Cour de Justice Européenne | In French = CBCE | Cúirt Bhreithiúnais na gComhphobal Eorpach | In Irish = EKB | Európai Közösségek Bírósága | In Hungarian = ETT | Europos Teisingumo Teismas | In Lithuanian = ETS | Europejski Trybunał Sprawiedliwości | In Polish = TJUE | Tribunal de Justiça da União Europeia | In Portuguese = ESP | Evropski sud pravde | In Serbo-Croatian = AAD | Avrupa Adalet Divanı | In Turkish |
In Slovenian | → Law, jurisprudence → European Union → Europe |
| SES | Section d'Enseignement Spécialisé | In French | → Education |
| SESAME | Session d'Épreuves Spécifiques à l'Admission au Management Européen et international | In French | → Management → Education |
| SESB | Sobietar Errepublika Sozialisten Batasuna = URSS | Unaniezh ar Republikoù Sokialour Soviedel | In Breton = URSS | Union des Républiques Socialistes Soviétiques | In French = USSR | Unie van Sosialistiese Sowjetrepublieke | In Afrikaans = USSR | Union of Soviet Socialist Republics | In English = СССР | Сою́з Сове́тских Социалисти́ческих Респу́блик | In Russian = CCCP | Съюзът на съветските социалистически републики | In Bulgarian = SSSR | Soyuz Sovetskikh Sotsialisticheskikh Respublik | In Russian = URSS | Unión de Republicas Sozialistas Sobieticas | In Aragonese = XRSS | Xunión de les Repúbliques Socialistes Soviétiques | In Asturian = SSRİ | Sovet Sosialist Respublikaları İttifaqı | In Azerbaijani = TSRS | Tarybu Socialistiniu Respubliku Sajunga | In Baltic languages = SSSR | Savez Sovjetskih Socijalističkih Republika | In Serbo-Croatian = URSS | Unió de Repúbliques Socialistes Soviètiques | In Catalan = SSSR | Svaz sovětských socialistických republik | In Czech = USSR | Unio de Sovetaj Socialismaj Respublikoj | In Esperanto = CCCP | Социаллă Совет Республикисен Союзĕ | In Chuvash = USSR | Unionen af Socialistiske Sovjetrepublikker | In Danish = URSS | Unione delle Repubbliche Socialiste Sovietiche | In Italian = ZSRR | Związek Socjalistycznych Republik Radzieckich | In Polish = SSKS | Szovjet Szocialista Köztársaságok Szövetsége | In Hungarian = UdSSR | Union der Sozialistischen Sowjetrepubliken | In German = ΕΣΣΔ | Ένωση Σοβιετικών Σοσιαλιστικών Δημοκρατιών | In Greek = URSS | Unión de Repúblicas Socialistas Soviéticas | In Spanish = NSVL | Nõukogude Sotsialistlike Vabariikide Liit | In Estonian = USSR | Uny fan Sosjalistyske Sowjetrepublyken | In Frisian = ԽՍՀՄ | Խորհրդային Սոցիալիստական Հանրապետությունների Միություն | In Armenian = URSS | Unión das Repúblicas Socialistas Soviéticas | In Galician = სსრკ | საბჭოთა სოციალისტური რესპუბლიკების კავშირი | In Georgian = URSS | Unio Rerum Publicarum Socialisticarum Sovieticarum | In Latin = CCPC | Советтик Социалисттик Республикалар Союзу | In Kirghiz = UdSSR | Unioun vun de Sozialistesche Sowjetrepubliken | In Letzeburgesh = PSRS | Padomju Sociālistisko Republiku Savienība | In Latvian = СССР | Сојуз на Советските Социјалистички Републики | In Macedonian = УРСС | Униуня Републичилор советиче Сочиалисте | In Moldavan = KRSS | Kesatuan Republik Sosialis Soviet | In Malay = USSR | Unie van Socialistische Sovjetrepublieken | In Dutch = SSSR | Sambandet av Sosialistiske Sovjet-Republikkar | In Nynorsk = SSSR | Samveldet av sovjetiske sosialistrepublikker | In Norwegian = URSS | Unnion d'Républyiques Socialistes Soviétiques | In Norman = URSS | União das Repúblicas Socialistas Soviéticas | In Portuguese = URSS | Union de las Republicas Socialistas Sovieticas | In Occitan = SSRH | Susyalista Suwit Republikakunap Huñun | In Quechua = ССРЦ | Советон Социалистон Республикæты Цæдис | In Ossetian = URSS | Uniunea Republicilor Sovietice Socialiste | In Romanian = URSS | Unioni dî ripùbblichi sucialisti suviètichi | In Sicilian = ZSSR | Zveza sovjetskih socialističnih republik | In Slovenian = СССР | Савез Совјетских Социјалистичких Република | In Serbian = SSCB | Sovyet Sosyalist Cumhuriyetler Birliği | In Turkish = СРСР | Союз Радянських Соціалістичних Республік | In Ukrainian = SSRB | Sovet Sosialistik Republiklar Berlege | In Tatar = SSRI | Sovet Sotsialistik Respublikalar Ittifoqi | In Uzbek |
In Basque | → International relations → Geography |
| SESMAT | Santé Et Satisfaction des Médecins Au Travail | In French | → Labour, labour economics → Medicine |
| SESNA | Small Enterprise Stimulation Netherlands Antilles | In English | → Economics |
| SESRTCIC | Social, Economic and Social Research and Training Centre for Islamic Countries | In English | → Islam → Politics → Economics → Education |
| SESSAD | Service d’Éducation Spéciale et de Soins À Domicile | In French | → Education → Medicine |
| SESSI | Service des Études et des Statistiques Industrielles | In French | → Central administration → Statistics → Industry, industrial policy |
| SEST | Santé-Environnement et Santé-Travail | In French | → Research policy → Medicine → Labour, labour economics |
| SETAF | Southern Europe Task Force | In English | → Military affairs |
| SETC | Société d'Exploitation du Tourisme Caribéen | In French | → Tourism |
| SETC | State Employees Trades Council | In English | → Labour, labour economics → Public administration, government |
| SETC | State Employment and Training Commission | In English | → Central administration → Labour, labour economics → Education |
| SETC | Système Européen de Transfert de Crédits | In French | → Education |
| SETE | Société d'Exploitation de la Tour Eiffel | In French | → Tourism |
| SEUL | Syndicat des Employés de l'Université Laurentienne = LUSU | Laurentian University Staff Union | In English |
In French | → Organizations and associations → Labour, labour economics → Higher education, universities |
| SEV | Sovet Ekonomitšeskoi Vzaimopomoštši = СЭВ | Совет экономической взаимопомощи | In Russian = CAEM | Conseil d'Assistance Économique Mutuelle | In French = СИВ | Съвет за икономическа взаимопомощ | In Bulgarian = CAEM | Consell d'Assistència Econòmica Mútua | In Catalan = COMECON | Council of Mutual Economic Assistance | In English = KREH | Konsilio de Reciproka Ekonomia Helpo | In Esperanto = RGW | Rat für gegenseitige Wirtschaftshilfe | In German = CAME | Consejo de Ayuda Mutua Económica | In Spanish = KGST | Kölcsönös Gazdasági Segítség Tanácsa | In Hungarian = KNER | Këshilli i Ndihmës Ekonomike Reciproke | In Albanian = RVHP | Rada vzájemné hospodářské pomoci | In Czech = RWPG | Rada Wzajemnej Pomocy Gospodarczej | In Polish = CAER | Consiliul de Ajutor Economic Reciproc | In Romanian = RVHP | Rada vzájomnej hospodárskej pomoci | In Slovak = HĐTTKT | Hội đồng Tương trợ kinh tế | In Vietnamese = РЕВ | Рада Економічної Взаємодопомоги | In Ukrainian = CAME | Consello de Axuda Mutua Económica | In Galician |
In Russian | → International relations → Economics |
| SFAF | Société Française des Analystes Financiers | In French | → Organizations and associations → Finance |
| SFES | Société Française en Économie de la Santé (www.sfes.info) | In French | → Organizations and associations → Economics → Public health and hygiene → France |
| SFF | Sammenslutningen af Firma-Funktionærer | In Danish | → Organizations and associations → Labour, labour economics → Denmark |
| SFG | Steirische Wirtschaftsförderungsgesellschaft | In German | → Organizations and associations → Economics |
| SFI | Société Financière Internationale = IFS | Internacia Financ-Societo | In Esperanto = IFC | International Finance Corporation | In English |
In French | → International relations → Finance |
| SFI | Socialforskningsinstituttet | In Danish | |
| SFIO | Section Française de l'Internationale Ouvrière | In French | → Political parties and movements → France |
| SFIO | Section Française de l'Internationale Ouvrière | In French | → Political parties and movements → France |
| SFLC | Software Freedom Law Center | In English | → Software → Law, jurisprudence |
| SFOP | Strumento Finanziario di Orientamento della Pesca = IFOP | Instrument Financier d'Orientation de la Pêche | In French = FIAF | Finanzinstrument für die Ausrichtung der Fischerei | In German = FIFG | Financial Instrument for Fisheries Guidance | In English = FFU | Fonden för Fiskets Utveckling | In Swedish |
In Italian | → Finance → European Union → Fishing, hunting |
| SFP | Svenska folkpartiet = RKP | Ruotsalainen Kansanpuolue | In Finnish |
In Swedish | → Political parties and movements → Sweden |
| SFP | Service de la Formation Professionnelle | In French | → Personnel management → Education |
| SFPD | San Francisco Police Department (www.sfgov.org/police) | In English | → Police |
| SFU | Sigmund Freud-Universität (www.sfu.ac.at) | In German | → Higher education, universities → Medicine → Austria |
| SFU | Sigmund Freud Privatuniversität | In German | → Higher education, universities |
| SFW | South Florida Workforce | In English | → Labour, labour economics |
| SG-SICA | Secretaría General del Sistema de la Integración Centroamericana (www.sgsica.org) | In Spanish | → International relations |
| SGA | Secrétaire Général d'Administration | In French | → Public administration, government |
| SGAM | Société Générale Asset Management | In French | → Finance |
| SGAR | Secrétariat Général pour les Affaires Régionales | In French | → Regional administration |
| SGASU | Secrétaire Général d'Administration Scolaire et Universitaire | In French | → Public administration, government → Education → Higher education, universities |
| SGB | Sozialgesetzbuch | In German | → Politics → Law, jurisprudence |
| SGBB | Société Générale de Banques au Burkina | In French | → Banks |
| SGBBE | Société générale de Banques au Bénin | In French | → Banks |
| SGBC | Société générale de Banques au Cameroun | In French | → Banks |
| SGBCI | Société générale de Banques en Côte d'Ivoire | In French | → Banks |
| SGBG | Société Générale de Banques en Guinée | In French | → Banks |
| SGBS | Société générale de Banques au Sénégal | In French | → Banks |
| SGDG | Sans garantie du gouvernement | In French | → Industrial property |
| SGDN | Secrétariat Général de la Défense Nationale | In French | → Military affairs |
| SGDSN | Secrétariat Général de la Défense et de la Sécurité Nationale | In French | → Military affairs |
| SGEN | Syndicat Général de l'Éducation Nationale | In French | → Organizations and associations → Labour, labour economics → Education |
| SGEPES | Secrétaire Général d'Établissement Public de l'Enseignement Supérieur | In French | → Higher education, universities |
| SGILWH | Study Group on International Labor and Working-Class History | In English | → Labour, labour economics → 93032 |
| SGKK | Salzburger Gebietskrankenkasse (www.sgkk.at) | In German | → Insurance → Austria |
| SGLI | Servicemen's Group Life Insurance | In English | → Insurance |
| SGP | Staatkundig Gereformeerde Partij (www.sgp.nl) | In Dutch | → Political parties and movements → Netherlands |
| SGS | Schweizerische Gesellschaft für Soziologie | In German | → Organizations and associations → Sociology → Switzerland |
| SGTIF | Syndicat Général des Travailleurs de l'Industrie du Film (http://sgtif.fnsac-cgt.com) | In French | → Organizations and associations → Labour, labour economics → Cinema, movies |
| SGX | Singapore Exchange | In English | → Financial markets |
| SH | Surface habitable | In French | → Accommodation |
| SHAFR | Society for Historians of American Foreign Relations (www.shafr.org) | In English | → Organizations and associations → History → International relations → United States |
| SHAPS | School of Hawaiian, Asian and Pacific Studies | In English | → Education → Area studies |
| SHARE | Survey of Health, Ageing and Retirement in Europe | In English | → Social welfare → Medicine |
| SHARP | Society for the History of Authorship, Reading, and Publishing | In English | → Organizations and associations → Artistic property → Graphic industries, printing, publishing → History |
| SHB | Stranka Hrvatskih Branitelja | In Croatian | → Political parties and movements |
| SHE | Society for History Education | In English | → Organizations and associations → Education → History |
| SHFG | Society for History in the Federal Government | In English | → Organizations and associations → Central administration → History |
| SHM | Social History of Medicine | In English | → Medicine → History |
| SHOB | Surface Hors Oeuvre Brute | In French | → Accommodation |
| SHON | Surface Hors Oeuvre Nette | In French | → Accommodation |
| SHS | Sciences Humaines et Sociales | In French | |
| SHUS | Savez Hrvatskih Umirovljenika i Seniora | In Croatian | → Political parties and movements |
| SI | Sveriges Industriförbund | In Swedish | → Organizations and associations → Industry, industrial policy → Sweden |
| SIA | Société d'Investissement en Autriche | In French | → Finance |
| SIA | Solidarité Internationale Antifasciste | In French | → Political parties and movements |
| SIAE | Slovenian Institute for Adult Education | In English | → Education |
| SIAE | Structure d'Insertion par l'Activité Économique | In French | → Social welfare → Economics |
| SIB | Seychelles Investment Bureau | In English | → 33972 |
| SIBA | Seychelles International Business Authority | In English | → 33972 |
| SIC | Sociology in China | In English | → Organizations and associations → Sociology → China |
| SIC | Système d'Information Commerciale | In French | → Software → Trade |
| SIC | Système d'Information et de Commandement | In French | → Military affairs → Military engineering |
| SICA | Sistema de la Integración Centroamericana (www.sica.int) | In Spanish | → International relations |
| SICA | Specific International Cooperation Action | In English | → Research policy → International economic cooperation |
| SICA | Système d'Information et de Commandement des Armées | In French | → Software → Military affairs |
| SICAHR | Société coopérative d'Intérêt Collectif Agricole d'Habitat Rural | In French | → Organizations and associations → Accommodation → Agricultural sciences |
| SICAV | Société d'Investissement à CApital Variable | In French | → Finance |
| SICF | Système d'Information pour le Commandement des Forces | In French | → Software → Military affairs |
| SICI | Shastri Indo-Canadian Institute (www.sici.org) | In English | → Organizations and associations → International relations |
| SICOP | Service d'Information et de Communication de la Police Nationale | In French | → Police → Central administration |
| SICR | Syndicat de l'Importation et du Commerce de la Réunion | In French | → Organizations and associations → Trade |
| SICRI | Small Island Cultures Research Initiative | In English | → Civilization, culture, progress → Sociology |
| SICT | Syndicat des Ingénieurs, Cadres, Techniciens | In French | → Organizations and associations → Labour, labour economics |
| SICTAM | Syndicat des Ingénieurs, Cadres, Techniciens et Agents de Maîtrise | In French | → Organizations and associations → Labour, labour economics |
| SIE | Stage d'Insertion en Entreprise | In French | → Labour, labour economics |
| SIE | Speciaal Interventie Eskadron | In Dutch | → Police |
| SIEC | State Independent Electoral Commission | In English | → Elections |
| SIECLE | Serveur Intranet des Enquêtes CLientèle EDF-GDF | In French | → Software → Trade → Energy economics |
| SIEPA | Serbia Investment and Export Promotion Agency | In English | → 33972 |
| SIER | Service Interdépartemental d'Exploitation Routière | In French | → Public administration, government → Transport and postal services |
| SIF | Service Informatique Fédéral | In French | → Computer science → Central administration |
| SIFC | Saskatchewan Indian Federated College | In English | → Education → Canada |
| SIFC | Somali International Financial Centre | In English | → Finance |
| SIFC | Service de l'Instruction des Forces Canadiennes | In French | → Education → Military affairs → Canada |
| SIG | Service d'Information du Gouvernement | In French | → Knowledge management → Central administration |
| SIGMUND | Semantik- und emotionsbasiertes Gesprächs-Management in der Kundenberatung | In German | → Psychology → Trade |
| SIIA | Singapore Institute of International Affairs | In English | → International relations |
| SIIC | Société d'Investissement immobilier Cotée | In French | → Finance |
| SIIF | Société Internationale d'Investissements Financiers | In French | → Finance |
| SIIS | Shanghai Institute for International Studies | In English | → International relations |
| SIL | Solidarité Internationale Libertaire = ILS | International Libertarian Solidarity | In English |
In French | → Organizations and associations → Anarchist organizations |
| SILL | Socle Interministériel de Logiciels Libres | In French | → Central administration → Software → France |
| SIM | Singapore Institute of Management | In English | → Management → Higher education, universities |
| SIMAP | Service des Industries Manufacturières et des Activité Postales | In French | → Organizations and associations → Industry, industrial policy → Postal services |
| SIMAP | Système d'Information pour les Marchés Publics | In French | → Knowledge management → Public administration, government |
| SIMEX | Singapore International Monetary Exchange | In English | → Financial markets |
| SINE | Système d'Information sur les Nouvelles Entreprises | In French | → Statistics → Economics |
| SINHAS | Studies in Nepali History and Society | In English | → Sociology → History |
| SIOC | Système d'Information Opérationnel et de Commandement | In French | → Software → Military affairs |
| SIPB | Student Information Processing Board | In English | → Software → Specialized or polytechnical colleges |
| SIPO | Strategic Indicative Plan of the Organ | In English | → International relations → Development |
| SIPPEREC | Syndicat Intercommunal de la Périphérie de Paris pour l'Électricité et les RÉseaux de Communication | In French | → Municipal administration → Electrical engineering → Networks, communication → Telecommunications → France |
| SIPRI | Stockholm International Peace Research Institute (www.sipri.org) | In English | → Research institutes → International relations → Sweden |
| SIR | Système d'Information Régimentaire | In French | → Software → Military affairs |
| SIRENE | Système Informatique pour le Répertoire des ENtreprises et Établissements | In French | → Computer-based techniques → Economics |
| SIRET | Système d'Identification du Répertoire des ÉTablissements | In French | → Economics → Statistics |
| SIRH | Systèmes d'Information Ressources Humaines | In French | → Personnel management → Labour, labour economics |
| SIRS | School Improvement Research Series | In English | → Serial publications, periodicals → Education |
| SIS | School of Informational Studies | In English | → Education → Computer science → Documentation |
| SiT | Studentsamskipnaden i Trondheim | In Norwegian | → Higher education, universities → Norway |